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LG LH247HV Engineering Manual

Single-zone ceiling-concealed duct (high static) heat pump systems 2 and 3 tons (24,000 btu/h) & (36,000 btu/h)
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Single-Zone
Ceiling-ConCealed
duCt (HigH StatiC) SyStem
engineering manual
Single-Zone Ceiling-Concealed
duct (High Static)
Heat Pump Systems
2 and 3 tons
LH247HV (24,000 Btu/h)
LH367HV (36,000 Btu/h)

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  Summary of Contents for LG LH247HV

  • Page 1 Single-Zone Ceiling-ConCealed duCt (HigH StatiC) SyStem engineering manual Single-Zone Ceiling-Concealed duct (High Static) Heat Pump Systems 2 and 3 tons LH247HV (24,000 Btu/h) LH367HV (36,000 Btu/h)
  • Page 2 This document is for design purposes only. DFS-EM-AM-001-US 014D02 For continual product development, LG reserves the right to change specifications without notice. ©LG Electronics Inc. This document, as well as all reports, illustrations, data, information, and other materials are the property of LG Electronics U.S.A., Inc.
  • Page 3: Table Of Contents

    Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroductIon | 3...
  • Page 4: About Lg Electronics, Inc

    HVAC contractor is safe and easy – little to no duct work or sheet metal is required. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 4 | IntroductIon...
  • Page 5: Unit Nomenclature

    T = Thermostat Compatible Generation: Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. IntroductIon | 5...
  • Page 6 Figure 1: Ceiling-Concealed Duct (High Static) System. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 6 | IntroductIon...
  • Page 7: Ducted (High Static) System Data

    PRODUCT DATA “Product Features and Benefits” on page 8 “general data” on page 9 “electrical data” on page 10 “dimensions” on page 11 “acoustic data” on page 15 “refrigerant Flow diagrams” on page 18 “Wiring diagrams” on page 20 “accessories” on page 24...
  • Page 8: Product Features And Benefits

    8 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 9: General Data

    (WB); and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB). duct (HIgH StatIc) | 9 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 10: Electrical Data

    10 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 11: Dimensions

    (HIgH StatIc) | 11 Due to our policy of continuous product innovation, some specifications may change without notification. © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com DFS‐SB‐AM‐001‐US 013E28 Page 2 of 3 ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 12: Outdoor Unit Dimensions

    © LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com DFS‐SB‐AM‐002‐US 013E28 Page 2 of 3 12 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 13: Indoor Unit Dimensions

    LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com DFS‐SB‐AM‐001‐US 013E28 Page 3 of 3 duct (HIgH StatIc) | 13 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 14: Dimensions

    14 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG Life’s Good” is a registered trademark of LG Corp. /www.lghvac.com DFS‐SB‐AM‐002‐US 013E28 Page 3 of 3 ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 15: Acoustic Data

    Octave Band Center Frequency (Hz) duct (HIgH StatIc) | 15 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 16: External Static Pressure

    16 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 17: Acoustic Data

    Octave Band Center Frequency (Hz) duct (HIgH StatIc) | 17 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 18: Refrigerant Flow Diagrams

    Pressure Sensor CN-TH1 P-SENSOR(H) 18 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 19: Refrigerant Flow Diagrams

    CN-PIPE / OUT duct (HIgH StatIc) | 19 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 20: Wiring Diagrams

    Figure 12: Ceiling-Concealed Duct (High Static) LUU247HV Outdoor Unit Wiring Diagram. 20 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 21: Outdoor Unit Wiring Diagram

    Figure 13: Ceiling-Concealed Duct (High Static) LUU367HV Outdoor Unit Wiring Diagram. duct (HIgH StatIc) | 21 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 22 Figure 14: Ceiling-Concealed Duct (High Static) LHN247HV Indoor Unit Wiring Diagram. 22 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 23: Wiring Diagrams

    Figure 15: Ceiling-Concealed Duct (High Static) LHN367HV Indoor Unit Wiring Diagram. duct (HIgH StatIc) | 23 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 24: Accessories

    For information on controller capabilities, refer to the Controls and Options Table on page 27. 24 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 25 For information on controller capabilities, refer to the Controls and Options Table on page 27. duct (HIgH StatIc) | 25 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 26 For information on controller capabilities, refer to the Controls and Options Table on page 27. 26 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 27 Dynamic V8 Air Cleaner Egg Crate Return Air Grille (one per plenum) duct (HIgH StatIc) | 27 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 28: Accessories

    • Main Memory: 256 MB 28 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 29: Performance Data

    PERFORMANCE DATA “Cooling Capacity data” on page 30 “Heating Capacity data” on page 32...
  • Page 30: Cooling Capacity Tables

    Corresponding refrigerant piping length is accordance with standard length of each outdoor unit. 30 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 31 Corresponding refrigerant piping length is accordance with standard length of each outdoor unit. duct (HIgH StatIc) | 31 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 32: Heating Capacity Tables

    Corresponding refrigerant piping length is accordance with standard length of each outdoor unit. 32 | duct (HIgH StatIc) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
  • Page 33: Application Guidelines

    APPLICATION GUIDELINES “equipment Selection Procedure” on page 34 “Building ventilation design guide” on page 36 “Placement Considerations” on page 41...
  • Page 34: Equipment Selection Procedure

    Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 34 | duct (HIgH StatIc)
  • Page 35 • Verify that the sensible load of the zone is satisfied. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 35...
  • Page 36: Building Ventilation Design Guide

    LG Electronics, U.S.A., Inc., In all cases, the designer, installer, and contractor should understand if the suggested method is used, it is used at their own risk. LG Electronics U.S.A., Inc., takes no responsibility and offers no warranty, expressed or implied, of merchantability or fitness of purpose if this method fails to perform as stated or intended.
  • Page 37 OA Wall Louver Damper Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 37...
  • Page 38 OA Wall Cap Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 38 | duct (HIgH StatIc)
  • Page 39 Outdoor Air Unit Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 39...
  • Page 40 Ceiling Diffuser Air Unit Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 40 | duct (HIgH StatIc)
  • Page 41: Placement Considerations

    Also, add a ceiling grille for ventilation. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 41...
  • Page 42 Flexible drain hose Insulation Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 42 | duct (HIgH StatIc)
  • Page 43: Outdoor Unit

    4. In an area in which condensate does not drain properly. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 43...
  • Page 44 • Images are not to scale. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 44 | duct (HIgH StatIc)
  • Page 45 • Images are not to scale. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 45...
  • Page 46 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 46 | duct (HIgH StatIc)
  • Page 47 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 47...
  • Page 48 Minimum 23-19/32" Minimum 39-3/8" Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 48 | duct (HIgH StatIc)
  • Page 49: Refrigerant Piping Design & Layout Best Practices

    REFRIGERANT PIPING DESIGN & LAYOUT BEST PRACTICES “design guideline Summary” on page 50 “Selecting Field-Supplied Copper tubing” on page 51 “refrigerant Piping System layout” on page 53 “Piping insulation” on page 58 “Condensate drain Piping” on page 59...
  • Page 50: Design Guideline Summary

    Outdoor unit Indoor unit Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 50 | duct (HIgH StatIc)
  • Page 51 ASTM B-88 Standards. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 51...
  • Page 52 L = Centerline Minimum Radius (inches). Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 52 | duct (HIgH StatIc)
  • Page 53 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 53...
  • Page 54 A + B ~ 12" – 19" Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 54 | duct (HIgH StatIc)
  • Page 55: Pipe Sleeves At Penetrations

    O.D.) LH247HV, LH367HV Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 55...
  • Page 56 (Field-Supplied) Insulation for Field-Installed Piping (Field-Supplied) Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 56 | duct (HIgH StatIc)
  • Page 57 Indoor Unit Piping Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 57...
  • Page 58: Piping Insulation

    Mark all pipes at the point where the insulation jacket ends. Remove the jacket. Install field provided insulation on the run-out and main trunk pipes first. Install the LG-provided insulation plugs on the ends of all unused header ports. Peel the adhesive glue protector slip from the insulation jacket and install the clam-shell jacket over the fitting.
  • Page 59: Condensate Drain Piping

    Standard 27-9/16 0.106 Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 59...
  • Page 60: Condensate Drain Piping

    Test the condensate drain piping system for leaks 24 hours after installation is complete. Use only water to test the drain piping. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 60 | duct (HIgH StatIc)
  • Page 61: Electrical And Mechanical Specifications

    ELECTRICAL AND MECHANICAL SPECIFICATIONS “Wiring Connections” on page 62 “mechanical Specifications” on page 66 “acronyms” on page 68...
  • Page 62: Wiring Connections

    • Indoor Unit(s) to Wired Controller: Three-core cable Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 62 | duct (HIgH StatIc)
  • Page 63 Ground Wire Outdoor unit Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 63...
  • Page 64 Zone ODU being used. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 64 | duct (HIgH StatIc)
  • Page 65 4. Tighten the conduit and the conduit mounting plate together. Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 65...
  • Page 66: Mechanical Specifications

    Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 66 | duct (HIgH StatIc)
  • Page 67 (each sold separately). Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. duct (HIgH StatIc) | 67...
  • Page 68: Acronyms

    International organization for Standardization Due to our policy of continuous product innovation, some specifications may change without notification. ©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp. 68 | duct (HIgH StatIc)
  • Page 72 20001747 ISO 9001: 2008 LG ELECTRONICS INC. LG Electronics Commercial Products Support LG Electronics Commercial Air Conditioning Division 1-888-865-3026 USA 11405 Old Roswell Road Follow the prompts for commercial A/C products. Alpharetta, Georgia 30009 www.lghvac.com www.lg-dfs.com DFS-EM-AM-001-US_014D02...

This manual is also suitable for:

Lhn247hvLuu367hvLuu247hvLhn367hvLh367hv